Paradox Interactive announces Crusader Kings II: The Old Gods, an expansion for the strategy RPG Crusader Kings II. This is expected in Q2 of this year, and will include a number of user-requested enhancements. This trailer offers a look at the add-on, and there are details on The Crusader Kings Website. Here's a feature list:

Religious Turmoil: Restore the Old Gods to prominence through sacrifice and divination, or force the pagans to convert through new missionary missions

Earlier start: 200 years of more gameplay with the special 867 AD bookmark

Rebels With a Cause: Rebels are no longer faceless rabble, but led by defined characters with specific agendas